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Finding the Fourth Proportional to 501,443.68, 750,266.88 and 309,363.52

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Solution

The fourth proportional to 501,443.68, 750,266.88 and 309,363.52 is: 462,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,443.68 : 750,266.88 = 309,363.52 : x
  2. Step 2: Convert to fraction form
    501,443.68/750,266.88 = 309,363.52/x
  3. Step 3: Cross multiply
    501,443.68x = 750,266.88 × 309,363.52
  4. Step 4: Simplify right side
    501,443.68x = 232,105,202,936.22
  5. Step 5: Solve for x
    x = 232,105,202,936.22/501,443.68
  6. Step 6: Final answer
    x = 462,873.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.